Update changelog v1.15.3 (#6480)
Update changelog v1.15.3 (#6480)

* update v1.15.3

* update

* update

* update
AndreyBelym/testcafe,miherlosev/testcafe,miherlosev/testcafe,miherlosev/testcafe,DevExpress/testcafe,VasilyStrelyaev/testcafe,miherlosev/testcafe,AndreyBelym/testcafe,DevExpress/testcafe,VasilyStrelyaev/testcafe,AndreyBelym/testcafe,VasilyStrelyaev/testcafe,miherlosev/testcafe,DevExpress/testcafe,AndreyBelym/testcafe,VasilyStrelyaev/testcafe,DevExpress/testcafe,AndreyBelym/testcafe,VasilyStrelyaev/testcafe,DevExpress/testcafe